American Flag. (Matamoros, Tamaulipas, Mexico), Vol. 2, No. 139, Ed. 1 Wednesday, October 6, 1847, newspaper, October 6, 1847; (https://texashistory.unt.edu/ark:/67531/metapth478800/m1/1/: accessed July 8, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .